Apparently they are spelled and pronounced slightly differently in mandarin and also have different meanings
maybe they should find another way to translate and pronounce the names in english so viewers who don't speak the language won't misunderstand. thank you for explaining.
https://www.instagram.com/p/DS5BSHWEux7/?img_index=3&igsh=d25xY2xpZGZtNHhz
please add Ko Tae-Hyeon (Lim Young-Jin) to the cast list!